Answer :

Answer:

5:6

Step-by-step explanation:

  • Ratio means proportions.

There are many rules of it

[tex]\\ \sf\longmapsto a:b::c:d[/tex]

[tex]\\ \sf\longmapsto \dfrac{a}{b}=\dfrac{c}{d}[/tex]

[tex]\\ \sf\longmapsto ad=bc[/tex]

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